21291738 (number)

21291738 is an even 8-digits composite number following 21291737 and preceding 21291739. In scientific notation, it is written as 2.1291738 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6551280 positive integers (up to 21291738) that are relatively prime to 21291738.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.1291738 × 10^7
Engineering notation 2.1291738 × 10^6

Prime Factorization of 21291738

Prime Factorization 2 × 3 × 13 × 272971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21291738
Product of the distinct prime numbers

The prime factorization of 21291738 is 2 × 3 × 13 × 272971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 81, 17, 689, 982, 4334, 2635, 17263, 64878, 654992, 804663, 6961324, 6341013, 39295973, 71779398, 53570397, 561758159, 1218859104, 8999857318

Basic calculations (n = 21291738)

Multiplication

n×y
n×2 42583476
n×3 63875214
n×4 85166952
n×5 106458690

Division

n÷y
n÷2 10645869
n÷3 7097246
n÷3 5322934.5
n÷5 4258347.6

Exponentiation

ny
n2 453338107060644
n3 9.6523562009512E+21
n4 2.0551543931333E+29
n5 4.3757808888143E+36

Nth Root

y√n
2√n 4614.2971295746
3√n 277.16413875313
4√n 67.92861789831
5√n 29.217444159463

Divisors of 21291738

1, 2, 3, 6, 13, 26, 39, 78, 272971, 545942, 818913, 1637826, 3548623, 7097246, 10645869, 21291738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291738 can be divided by 16 positive divisors. The sum of these divisors (counting 21291738) is 1, the average is 0.0625.

Base conversion 21291738

Base System Value
2 Binary 1010001001110001011011010
3 Ternary 1111001201202220
4 Quaternary 1101032023122
5 Quinary 20422313423
6 Senary 2040204510
8 Octal 121161332
10 Decimal 21291738
12 Duodecimal 7169736
16 Hexadecimal 144e2da
20 Vigesimal 6d196i
36 Base36 coct6

Cryptographic Hash Functions

md5 f9c7c2e1c20889d72d86d42f6aac0c4a
sha1 a1e68f36bd9d88792ecff08efe9dcf9ba51b6fa5
sha256 b1fe2a02341ba3d616734e75f4a4a1b0ede00e7871081f6226e3aaa1e4b306b0
sha512 e736d039c9281ad301774636aedcb549087c5f1867733cc9b56344b88381d7a06c3ee21e9e72196054c5119ab7718cc188fa02248c7c5c6053d89a557f24a7ee
ripemd-160 f35573500868617d6ff9dcd13339dcfb0642e602

21291738 as geometric shapes

Circle

Radius = n
Diameter 42583476
Circumference 133779935.36592
Area 1.424203666734E+15

Sphere

Radius = n
Volume 4.0431695107653E+22
Surface area 5.6968146669361E+15
Circumference 133779935.36592

Square

Length = n
Perimeter 85166952
Area 453338107060644
Diagonal 30111064.646095

Cube

Length = n
Surface area 2720028642363864
Volume 9.6523562009512E+21
Space diagonal 36878371.997445

Equilateral Triangle

Length = n
Perimeter 63875214
Area 1.9630115860903E+14
Altitude 18439185.998722

Triangular Pyramid

Length = n
Surface area 1.9630115860903E+14
Volume 1.1375410873534E+21
Height 10037021.548698